Body weight-supported training in Becker and limb girdle 2I muscular dystrophy.

Abstract:

INTRODUCTION:We studied the functional effects of combined strength and aerobic anti-gravity training in severely affected patients with Becker and Limb-Girdle muscular dystrophies. METHODS:Eight patients performed 10-week progressive combined strength (squats, calf raises, lunges) and aerobic (walk/run, jogging in place or high knee-lift) training 3 times/week in a lower-body positive pressure environment. Closed-kinetic-chain leg muscle strength, isometric knee strength, rate of force development (RFD), and reaction time were evaluated. RESULTS:Baseline data indicated an intact neural activation pattern but showed compromised muscle contractile properties. Training (compliance 91%) improved functional leg muscle strength. Squat series performance increased 30%, calf raises 45%, and lunges 23%. CONCLUSIONS:Anti-gravity training improved closed-kinetic-chain leg muscle strength despite no changes in isometric knee extension strength and absolute RFD. The improved closed-kinetic-chain performance may relate to neural adaptation involving motor learning and/or improved muscle strength of other muscles than the weak knee extensors. Muscle Nerve 54: 239-243, 2016.

journal_name

Muscle Nerve

journal_title

Muscle & nerve

authors

Jensen BR,Berthelsen MP,Husu E,Christensen SB,Prahm KP,Vissing J

doi

10.1002/mus.25039

subject

Has Abstract

pub_date

2016-08-01 00:00:00

pages

239-43

issue

2

eissn

0148-639X

issn

1097-4598

journal_volume

54

pub_type

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